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<div class="title">ModNormalDeviationT.hh</div>  </div>
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<a href="a00593.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* ========================================================================= *</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *                               OpenMesh                                    *</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *           Copyright (c) 2001-2015, RWTH-Aachen University                 *</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *           Department of Computer Graphics and Multimedia                  *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *                          All rights reserved.                             *</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *                            www.openmesh.org                               *</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *---------------------------------------------------------------------------*</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * This file is part of OpenMesh.                                            *</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *---------------------------------------------------------------------------*</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without        *</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * modification, are permitted provided that the following conditions        *</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * are met:                                                                  *</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * 1. 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class="lineno">   46</span>&#160;<span class="comment">//=============================================================================</span></div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment">//  CLASS ModNormalDeviationT</span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">//=============================================================================</span></div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">#ifndef OPENMESH_DECIMATER_MODNORMALDEVIATIONT_HH</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#define OPENMESH_DECIMATER_MODNORMALDEVIATIONT_HH</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment">//== INCLUDES =================================================================</span></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="a00575.html">OpenMesh/Tools/Decimater/ModBaseT.hh</a>&gt;</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="preprocessor">#include &lt;OpenMesh/Core/Utils/Property.hh&gt;</span></div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">#include &lt;OpenMesh/Core/Geometry/NormalConeT.hh&gt;</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">//== NAMESPACES ===============================================================</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="keyword">namespace </span><a class="code" href="a01233.html">OpenMesh</a>  {</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="keyword">namespace </span>Decimater {</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment">//== CLASS DEFINITION =========================================================</span></div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> MeshT&gt;</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="a02677.html">   88</a></span>&#160;<span class="keyword">class </span><a class="code" href="a02677.html">ModNormalDeviationT</a> : <span class="keyword">public</span> <a class="code" href="a02661.html">ModBaseT</a>&lt; MeshT &gt;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;{</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div><div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="a02677.html#a3ed524f1fe28cdb787f6bad3e2637604">   92</a></span>&#160;  <a class="code" href="a00575.html#ae1f2d4c274e420c0e81d52cf17cc1c5b">DECIMATING_MODULE</a>( <a class="code" href="a02677.html">ModNormalDeviationT</a>, MeshT, NormalDeviation );</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="a02389.html#a15372f27edf521d8e9028e2abccae342">Mesh::Scalar</a>                     Scalar;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="a02389.html#aed10fb4dfb536b53a5e20c8f2442eadf">Mesh::Point</a>                      Point;</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="a02389.html#a3570fd132d1ac589b380485cf59c9e0b">Mesh::Normal</a>                     Normal;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="a02389.html#a0fc18e13d70825938274e3faf7b55e01">Mesh::VertexHandle</a>               VertexHandle;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> Mesh::FaceHandle                 FaceHandle;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> Mesh::EdgeHandle                 EdgeHandle;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;  <span class="keyword">typedef</span> <a class="code" href="a01977.html">NormalConeT&lt;Normal&gt;</a>                       <a class="code" href="a01977.html">NormalCone</a>;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="a02677.html#a9ce9d2155ccb0c7719081d7e0ec2c023">  107</a></span>&#160;  <a class="code" href="a02677.html#a9ce9d2155ccb0c7719081d7e0ec2c023">ModNormalDeviationT</a>(MeshT&amp; _mesh, <span class="keywordtype">float</span> _max_dev = 180.0)</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  : Base(_mesh, true), mesh_(Base::<a class="code" href="a02661.html#a4b4ef38dac53440f7a01402a6844722a">mesh</a>())</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  {</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    <a class="code" href="a02677.html#a083312c66b27b936d28fceb86e32bc86">set_normal_deviation</a>(_max_dev);</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    mesh_.add_property(normal_cones_);</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">bool</span> mesh_has_normals = _mesh.has_face_normals();</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    _mesh.request_face_normals();</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keywordflow">if</span> (!mesh_has_normals)</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    {</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;      omerr() &lt;&lt; <span class="stringliteral">&quot;Mesh has no face normals. Compute them automatically.&quot;</span> &lt;&lt; std::endl;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;      _mesh.update_face_normals();</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    }</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;  }</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;</div><div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="a02677.html#a598f31b76401fff7f03b1ade2ea8345a">  125</a></span>&#160;  <a class="code" href="a02677.html#a598f31b76401fff7f03b1ade2ea8345a">~ModNormalDeviationT</a>() {</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    mesh_.remove_property(normal_cones_);</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    mesh_.release_face_normals();</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;  }</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="a02677.html#a1763b9ccf7233d0e066ec15eadfc1bc2">  132</a></span>&#160;  Scalar <a class="code" href="a02677.html#a1763b9ccf7233d0e066ec15eadfc1bc2">normal_deviation</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <span class="keywordflow">return</span> normal_deviation_ / M_PI * 180.0;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;  }</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;</div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="a02677.html#a083312c66b27b936d28fceb86e32bc86">  137</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="a02677.html#a083312c66b27b936d28fceb86e32bc86">set_normal_deviation</a>(Scalar _s) {</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    normal_deviation_ = _s / <span class="keyword">static_cast&lt;</span>Scalar<span class="keyword">&gt;</span>(180.0) * <span class="keyword">static_cast&lt;</span>Scalar<span class="keyword">&gt;</span>(M_PI);</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;  }</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div><div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="a02677.html#a4149a3835595f38a97b5ba2cf5d14e23">  143</a></span>&#160;  <span class="keywordtype">void</span>  <a class="code" href="a02677.html#a4149a3835595f38a97b5ba2cf5d14e23">initialize</a>()<span class="keyword"> override </span>{</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    <span class="keywordflow">if</span> (!normal_cones_.is_valid())</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;      mesh_.add_property(normal_cones_);</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    <span class="keyword">typename</span> Mesh::FaceIter f_it  = mesh_.faces_begin(),</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        f_end = mesh_.faces_end();</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    <span class="keywordflow">for</span> (; f_it != f_end; ++f_it)</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;      mesh_.property(normal_cones_, *f_it) = NormalCone(mesh_.normal(*f_it));</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;  }</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="a02677.html#aa199f3f2299fc171b332dc8fc59d543a">  168</a></span>&#160;  <span class="keywordtype">float</span> <a class="code" href="a02677.html#aa199f3f2299fc171b332dc8fc59d543a">collapse_priority</a>(<span class="keyword">const</span> <a class="code" href="a02633.html">CollapseInfo</a>&amp; _ci)<span class="keyword"> override </span>{</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    <span class="comment">// simulate collapse</span></div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    mesh_.set_point(_ci.<a class="code" href="a02633.html#abacd9a21d5a78d80dc1faf617caf39e9">v0</a>, _ci.<a class="code" href="a02633.html#a91226116d563790a8d04b09a9ef2d965">p1</a>);</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keyword">typename</span> <a class="code" href="a02389.html#a15372f27edf521d8e9028e2abccae342">Mesh::Scalar</a>               max_angle(0.0);</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    <span class="keyword">typename</span> <a class="code" href="a02389.html#a61167f0a130e599b909cc8629a6dca2a">Mesh::ConstVertexFaceIter</a>  vf_it(mesh_, _ci.<a class="code" href="a02633.html#abacd9a21d5a78d80dc1faf617caf39e9">v0</a>);</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    <span class="keyword">typename</span> Mesh::FaceHandle           fh, fhl, fhr;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    <span class="keywordflow">if</span> (_ci.<a class="code" href="a02633.html#a4df2f92321dbd926da6c830a22346d6c">v0vl</a>.is_valid())  fhl = mesh_.face_handle(_ci.<a class="code" href="a02633.html#a4df2f92321dbd926da6c830a22346d6c">v0vl</a>);</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    <span class="keywordflow">if</span> (_ci.<a class="code" href="a02633.html#a14f222f628f5256dd26dbe495a6452d2">vrv0</a>.is_valid())  fhr = mesh_.face_handle(_ci.<a class="code" href="a02633.html#a14f222f628f5256dd26dbe495a6452d2">vrv0</a>);</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    <span class="keywordflow">for</span> (; vf_it.is_valid(); ++vf_it) {</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;      fh = *vf_it;</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;      <span class="keywordflow">if</span> (fh != _ci.<a class="code" href="a02633.html#abe823726812c34c63eccc8316f5b1de5">fl</a> &amp;&amp; fh != _ci.<a class="code" href="a02633.html#a2962fea162ba214fe7394d60ddb322d7">fr</a>) {</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        NormalCone nc = mesh_.property(normal_cones_, fh);</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;        nc.<a class="code" href="a01977.html#a6be041e681b4c3f365e259009a75b8f0">merge</a>(NormalCone(mesh_.calc_face_normal(fh)));</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        <span class="keywordflow">if</span> (fh == fhl) nc.<a class="code" href="a01977.html#a6be041e681b4c3f365e259009a75b8f0">merge</a>(mesh_.property(normal_cones_, _ci.<a class="code" href="a02633.html#abe823726812c34c63eccc8316f5b1de5">fl</a>));</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        <span class="keywordflow">if</span> (fh == fhr) nc.<a class="code" href="a01977.html#a6be041e681b4c3f365e259009a75b8f0">merge</a>(mesh_.property(normal_cones_, _ci.<a class="code" href="a02633.html#a2962fea162ba214fe7394d60ddb322d7">fr</a>));</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        <span class="keywordflow">if</span> (nc.<a class="code" href="a01977.html#abb35371fa07ae71832016d58b500f08f">angle</a>() &gt; max_angle) {</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;          max_angle = nc.<a class="code" href="a01977.html#abb35371fa07ae71832016d58b500f08f">angle</a>();</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;          <span class="keywordflow">if</span> (max_angle &gt; 0.5 * normal_deviation_)</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;            <span class="keywordflow">break</span>;</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        }</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;      }</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    }</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    <span class="comment">// undo simulation changes</span></div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    mesh_.set_point(_ci.<a class="code" href="a02633.html#abacd9a21d5a78d80dc1faf617caf39e9">v0</a>, _ci.<a class="code" href="a02633.html#a4d6e1b8c56453e3de48ed178d067c876">p0</a>);</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    <span class="keywordflow">return</span> (max_angle &lt; 0.5 * normal_deviation_ ? max_angle : <span class="keywordtype">float</span>( Base::ILLEGAL_COLLAPSE ));</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;  }</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;</div><div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="a02677.html#a30869e4cdeabe62e162b75355863c415">  206</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="a02677.html#a30869e4cdeabe62e162b75355863c415">set_error_tolerance_factor</a>(<span class="keywordtype">double</span> _factor)<span class="keyword"> override </span>{</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    <span class="keywordflow">if</span> (_factor &gt;= 0.0 &amp;&amp; _factor &lt;= 1.0) {</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;      <span class="comment">// the smaller the factor, the smaller normal_deviation_ gets</span></div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;      <span class="comment">// thus creating a stricter constraint</span></div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;      <span class="comment">// division by error_tolerance_factor_ is for normalization</span></div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;      Scalar normal_deviation_value = normal_deviation_ *  <span class="keyword">static_cast&lt;</span>Scalar<span class="keyword">&gt;</span>(  180.0 / M_PI * _factor / this-&gt;error_tolerance_factor_);</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;      <a class="code" href="a02677.html#a083312c66b27b936d28fceb86e32bc86">set_normal_deviation</a>(normal_deviation_value);</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;      this-&gt;error_tolerance_factor_ = _factor;</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    }</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;  }</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;</div><div class="line"><a name="l00219"></a><span class="lineno"><a class="line" href="a02677.html#a06a7edc9ef58e548f823e8fb4549ac58">  219</a></span>&#160;  <span class="keywordtype">void</span>  <a class="code" href="a02677.html#a06a7edc9ef58e548f823e8fb4549ac58">postprocess_collapse</a>(<span class="keyword">const</span> <a class="code" href="a02633.html">CollapseInfo</a>&amp; _ci)<span class="keyword"> override </span>{</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    <span class="comment">// account for changed normals</span></div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    <span class="keyword">typename</span> <a class="code" href="a02389.html#a1ebe8b94ca30db3af44c809ab3ee7247">Mesh::VertexFaceIter</a> vf_it(mesh_, _ci.<a class="code" href="a02633.html#a7e472c32525398eeb34cad7c52aa3651">v1</a>);</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    <span class="keywordflow">for</span> (; vf_it.is_valid(); ++vf_it)</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;      mesh_.property(normal_cones_, *vf_it).</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;      merge(NormalCone(mesh_.normal(*vf_it)));</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    <span class="comment">// normal cones of deleted triangles</span></div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    <span class="keyword">typename</span> Mesh::FaceHandle fh;</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    <span class="keywordflow">if</span> (_ci.<a class="code" href="a02633.html#a0d3ab34ba78e36e61066d0b26bdb3e4e">vlv1</a>.is_valid()) {</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;      fh = mesh_.face_handle(mesh_.opposite_halfedge_handle(_ci.<a class="code" href="a02633.html#a0d3ab34ba78e36e61066d0b26bdb3e4e">vlv1</a>));</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;      <span class="keywordflow">if</span> (fh.is_valid())</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;        mesh_.property(normal_cones_, fh).</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;        merge(mesh_.property(normal_cones_, _ci.<a class="code" href="a02633.html#abe823726812c34c63eccc8316f5b1de5">fl</a>));</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    }</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    <span class="keywordflow">if</span> (_ci.<a class="code" href="a02633.html#a67375650879904935d62e544285aa0f9">v1vr</a>.is_valid()) {</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160; 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 Mesh&amp;                               mesh_;</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;  Scalar                              normal_deviation_;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  <a class="code" href="a02565.html">OpenMesh::FPropHandleT&lt;NormalCone&gt;</a>  normal_cones_;</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;};</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="comment">//=============================================================================</span></div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;} <span class="comment">// END_NS_DECIMATER</span></div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;} <span class="comment">// END_NS_OPENMESH</span></div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="comment">//=============================================================================</span></div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="preprocessor">#endif // OPENMESH_DECIMATER_MODNORMALDEVIATIONT_HH defined</span></div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;<span class="comment">//=============================================================================</span></div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;</div><div class="ttc" id="a02677_html_a083312c66b27b936d28fceb86e32bc86"><div class="ttname"><a href="a02677.html#a083312c66b27b936d28fceb86e32bc86">OpenMesh::Decimater::ModNormalDeviationT::set_normal_deviation</a></div><div class="ttdeci">void set_normal_deviation(Scalar _s)</div><div class="ttdoc">Set normal deviation ( 0 .. 360 ) </div><div class="ttdef"><b>Definition:</b> ModNormalDeviationT.hh:137</div></div>
<div class="ttc" id="a02565_html"><div class="ttname"><a href="a02565.html">OpenMesh::FPropHandleT</a></div><div class="ttdoc">Handle representing a face property. </div><div class="ttdef"><b>Definition:</b> Property.hh:529</div></div>
<div class="ttc" id="a02633_html_abe823726812c34c63eccc8316f5b1de5"><div class="ttname"><a href="a02633.html#abe823726812c34c63eccc8316f5b1de5">OpenMesh::Decimater::CollapseInfoT::fl</a></div><div class="ttdeci">Mesh::FaceHandle fl</div><div class="ttdoc">Left face. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:95</div></div>
<div class="ttc" id="a02633_html_a7e472c32525398eeb34cad7c52aa3651"><div class="ttname"><a href="a02633.html#a7e472c32525398eeb34cad7c52aa3651">OpenMesh::Decimater::CollapseInfoT::v1</a></div><div class="ttdeci">Mesh::VertexHandle v1</div><div class="ttdoc">Remaining vertex. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:92</div></div>
<div class="ttc" id="a02389_html_a15372f27edf521d8e9028e2abccae342"><div class="ttname"><a href="a02389.html#a15372f27edf521d8e9028e2abccae342">OpenMesh::PolyMeshT::Scalar</a></div><div class="ttdeci">Kernel::Scalar Scalar</div><div class="ttdoc">Scalar type. </div><div class="ttdef"><b>Definition:</b> PolyMeshT.hh:110</div></div>
<div class="ttc" id="a02677_html_a06a7edc9ef58e548f823e8fb4549ac58"><div class="ttname"><a href="a02677.html#a06a7edc9ef58e548f823e8fb4549ac58">OpenMesh::Decimater::ModNormalDeviationT::postprocess_collapse</a></div><div class="ttdeci">void postprocess_collapse(const CollapseInfo &amp;_ci) override</div><div class="ttdoc">After _from_vh has been collapsed into _to_vh, this method will be called. </div><div class="ttdef"><b>Definition:</b> ModNormalDeviationT.hh:219</div></div>
<div class="ttc" id="a02633_html_a0d3ab34ba78e36e61066d0b26bdb3e4e"><div class="ttname"><a href="a02633.html#a0d3ab34ba78e36e61066d0b26bdb3e4e">OpenMesh::Decimater::CollapseInfoT::vlv1</a></div><div class="ttdeci">Mesh::HalfedgeHandle vlv1</div><div class="ttdoc">Outer remaining halfedge of diamond spanned by v0, v1, vl, and vr. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:103</div></div>
<div class="ttc" id="a02633_html_a4d6e1b8c56453e3de48ed178d067c876"><div class="ttname"><a href="a02633.html#a4d6e1b8c56453e3de48ed178d067c876">OpenMesh::Decimater::CollapseInfoT::p0</a></div><div class="ttdeci">Mesh::Point p0</div><div class="ttdoc">Position of removed vertex. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:93</div></div>
<div class="ttc" id="a01977_html_abb35371fa07ae71832016d58b500f08f"><div class="ttname"><a href="a01977.html#abb35371fa07ae71832016d58b500f08f">OpenMesh::NormalConeT::angle</a></div><div class="ttdeci">Scalar angle() const</div><div class="ttdoc">returns size of cone (radius in radians) </div><div class="ttdef"><b>Definition:</b> NormalConeT.hh:110</div></div>
<div class="ttc" id="a02633_html_a67375650879904935d62e544285aa0f9"><div class="ttname"><a href="a02633.html#a67375650879904935d62e544285aa0f9">OpenMesh::Decimater::CollapseInfoT::v1vr</a></div><div class="ttdeci">Mesh::HalfedgeHandle v1vr</div><div class="ttdoc">Outer remaining halfedge of diamond spanned by v0, v1, vl, and vr. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:103</div></div>
<div class="ttc" id="a02389_html_a1ebe8b94ca30db3af44c809ab3ee7247"><div class="ttname"><a href="a02389.html#a1ebe8b94ca30db3af44c809ab3ee7247">OpenMesh::PolyMeshT::VertexFaceIter</a></div><div class="ttdeci">Kernel::VertexFaceIter VertexFaceIter</div><div class="ttdoc">Circulator. </div><div class="ttdef"><b>Definition:</b> PolyMeshT.hh:166</div></div>
<div class="ttc" id="a00575_html"><div class="ttname"><a href="a00575.html">ModBaseT.hh</a></div><div class="ttdoc">Base class for all decimation modules. </div></div>
<div class="ttc" id="a02677_html_a598f31b76401fff7f03b1ade2ea8345a"><div class="ttname"><a href="a02677.html#a598f31b76401fff7f03b1ade2ea8345a">OpenMesh::Decimater::ModNormalDeviationT::~ModNormalDeviationT</a></div><div class="ttdeci">~ModNormalDeviationT()</div><div class="ttdoc">Destructor. </div><div class="ttdef"><b>Definition:</b> ModNormalDeviationT.hh:125</div></div>
<div class="ttc" id="a02389_html_a3570fd132d1ac589b380485cf59c9e0b"><div class="ttname"><a href="a02389.html#a3570fd132d1ac589b380485cf59c9e0b">OpenMesh::PolyMeshT::Normal</a></div><div class="ttdeci">Kernel::Normal Normal</div><div class="ttdoc">Normal type. </div><div class="ttdef"><b>Definition:</b> PolyMeshT.hh:114</div></div>
<div class="ttc" id="a02677_html_a1763b9ccf7233d0e066ec15eadfc1bc2"><div class="ttname"><a href="a02677.html#a1763b9ccf7233d0e066ec15eadfc1bc2">OpenMesh::Decimater::ModNormalDeviationT::normal_deviation</a></div><div class="ttdeci">Scalar normal_deviation() const</div><div class="ttdoc">Get normal deviation ( 0 .. 360 ) </div><div class="ttdef"><b>Definition:</b> ModNormalDeviationT.hh:132</div></div>
<div class="ttc" id="a02389_html_a61167f0a130e599b909cc8629a6dca2a"><div class="ttname"><a href="a02389.html#a61167f0a130e599b909cc8629a6dca2a">OpenMesh::PolyMeshT::ConstVertexFaceIter</a></div><div class="ttdeci">Kernel::ConstVertexFaceIter ConstVertexFaceIter</div><div class="ttdoc">Circulator. </div><div class="ttdef"><b>Definition:</b> PolyMeshT.hh:176</div></div>
<div class="ttc" id="a00575_html_ae1f2d4c274e420c0e81d52cf17cc1c5b"><div class="ttname"><a href="a00575.html#ae1f2d4c274e420c0e81d52cf17cc1c5b">DECIMATING_MODULE</a></div><div class="ttdeci">#define DECIMATING_MODULE(Classname, MeshT, Name)</div><div class="ttdoc">Convenience macro, to be used in derived modules The macro defines the types. </div><div class="ttdef"><b>Definition:</b> ModBaseT.hh:149</div></div>
<div class="ttc" id="a02661_html"><div class="ttname"><a href="a02661.html">OpenMesh::Decimater::ModBaseT</a></div><div class="ttdoc">Base class for all decimation modules. </div><div class="ttdef"><b>Definition:</b> ModBaseT.hh:192</div></div>
<div class="ttc" id="a02677_html_a9ce9d2155ccb0c7719081d7e0ec2c023"><div class="ttname"><a href="a02677.html#a9ce9d2155ccb0c7719081d7e0ec2c023">OpenMesh::Decimater::ModNormalDeviationT::ModNormalDeviationT</a></div><div class="ttdeci">ModNormalDeviationT(MeshT &amp;_mesh, float _max_dev=180.0)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> ModNormalDeviationT.hh:107</div></div>
<div class="ttc" id="a02633_html_a2962fea162ba214fe7394d60ddb322d7"><div class="ttname"><a href="a02633.html#a2962fea162ba214fe7394d60ddb322d7">OpenMesh::Decimater::CollapseInfoT::fr</a></div><div class="ttdeci">Mesh::FaceHandle fr</div><div class="ttdoc">Right face. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:96</div></div>
<div class="ttc" id="a02677_html_a30869e4cdeabe62e162b75355863c415"><div class="ttname"><a href="a02677.html#a30869e4cdeabe62e162b75355863c415">OpenMesh::Decimater::ModNormalDeviationT::set_error_tolerance_factor</a></div><div class="ttdeci">void set_error_tolerance_factor(double _factor) override</div><div class="ttdoc">set the percentage of normal deviation </div><div class="ttdef"><b>Definition:</b> ModNormalDeviationT.hh:206</div></div>
<div class="ttc" id="a02633_html_a91226116d563790a8d04b09a9ef2d965"><div class="ttname"><a href="a02633.html#a91226116d563790a8d04b09a9ef2d965">OpenMesh::Decimater::CollapseInfoT::p1</a></div><div class="ttdeci">Mesh::Point p1</div><div class="ttdoc">Positions of remaining vertex. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:94</div></div>
<div class="ttc" id="a02633_html_a14f222f628f5256dd26dbe495a6452d2"><div class="ttname"><a href="a02633.html#a14f222f628f5256dd26dbe495a6452d2">OpenMesh::Decimater::CollapseInfoT::vrv0</a></div><div class="ttdeci">Mesh::HalfedgeHandle vrv0</div><div class="ttdoc">Outer remaining halfedge of diamond spanned by v0, v1, vl, and vr. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:103</div></div>
<div class="ttc" id="a02677_html_a4149a3835595f38a97b5ba2cf5d14e23"><div class="ttname"><a href="a02677.html#a4149a3835595f38a97b5ba2cf5d14e23">OpenMesh::Decimater::ModNormalDeviationT::initialize</a></div><div class="ttdeci">void initialize() override</div><div class="ttdoc">Allocate and init normal cones. </div><div class="ttdef"><b>Definition:</b> ModNormalDeviationT.hh:143</div></div>
<div class="ttc" id="a01977_html_a6be041e681b4c3f365e259009a75b8f0"><div class="ttname"><a href="a01977.html#a6be041e681b4c3f365e259009a75b8f0">OpenMesh::NormalConeT::merge</a></div><div class="ttdeci">void merge(const NormalConeT &amp;)</div><div class="ttdoc">merge _cone; this instance will then enclose both former cones </div><div class="ttdef"><b>Definition:</b> NormalConeT_impl.hh:118</div></div>
<div class="ttc" id="a02633_html_a4df2f92321dbd926da6c830a22346d6c"><div class="ttname"><a href="a02633.html#a4df2f92321dbd926da6c830a22346d6c">OpenMesh::Decimater::CollapseInfoT::v0vl</a></div><div class="ttdeci">Mesh::HalfedgeHandle v0vl</div><div class="ttdoc">Outer remaining halfedge of diamond spanned by v0, v1, vl, and vr. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:103</div></div>
<div class="ttc" id="a02677_html_aa199f3f2299fc171b332dc8fc59d543a"><div class="ttname"><a href="a02677.html#aa199f3f2299fc171b332dc8fc59d543a">OpenMesh::Decimater::ModNormalDeviationT::collapse_priority</a></div><div class="ttdeci">float collapse_priority(const CollapseInfo &amp;_ci) override</div><div class="ttdoc">Control normals when Decimating. </div><div class="ttdef"><b>Definition:</b> ModNormalDeviationT.hh:168</div></div>
<div class="ttc" id="a02661_html_a4b4ef38dac53440f7a01402a6844722a"><div class="ttname"><a href="a02661.html#a4b4ef38dac53440f7a01402a6844722a">OpenMesh::Decimater::ModBaseT::mesh</a></div><div class="ttdeci">MeshT &amp; mesh()</div><div class="ttdoc">Access the mesh associated with the decimater. </div><div class="ttdef"><b>Definition:</b> ModBaseT.hh:277</div></div>
<div class="ttc" id="a02389_html_aed10fb4dfb536b53a5e20c8f2442eadf"><div class="ttname"><a href="a02389.html#aed10fb4dfb536b53a5e20c8f2442eadf">OpenMesh::PolyMeshT::Point</a></div><div class="ttdeci">Kernel::Point Point</div><div class="ttdoc">Coordinate type. </div><div class="ttdef"><b>Definition:</b> PolyMeshT.hh:112</div></div>
<div class="ttc" id="a01233_html"><div class="ttname"><a href="a01233.html">OpenMesh</a></div><div class="ttdoc">Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...</div><div class="ttdef"><b>Definition:</b> MeshItems.hh:59</div></div>
<div class="ttc" id="a02389_html_a0fc18e13d70825938274e3faf7b55e01"><div class="ttname"><a href="a02389.html#a0fc18e13d70825938274e3faf7b55e01">OpenMesh::PolyMeshT::VertexHandle</a></div><div class="ttdeci">Kernel::VertexHandle VertexHandle</div><div class="ttdoc">Handle for referencing the corresponding item. </div><div class="ttdef"><b>Definition:</b> PolyMeshT.hh:136</div></div>
<div class="ttc" id="a02633_html"><div class="ttname"><a href="a02633.html">OpenMesh::Decimater::CollapseInfoT</a></div><div class="ttdoc">Stores information about a halfedge collapse. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:74</div></div>
<div class="ttc" id="a02633_html_abacd9a21d5a78d80dc1faf617caf39e9"><div class="ttname"><a href="a02633.html#abacd9a21d5a78d80dc1faf617caf39e9">OpenMesh::Decimater::CollapseInfoT::v0</a></div><div class="ttdeci">Mesh::VertexHandle v0</div><div class="ttdoc">Vertex to be removed. </div><div class="ttdef"><b>Definition:</b> CollapseInfoT.hh:91</div></div>
<div class="ttc" id="a01977_html"><div class="ttname"><a href="a01977.html">OpenMesh::NormalConeT</a></div><div class="ttdoc">/class NormalCone NormalCone.hh &lt;ACG/Geometry/Types/NormalCone.hh&gt; </div><div class="ttdef"><b>Definition:</b> NormalConeT.hh:82</div></div>
<div class="ttc" id="a02677_html"><div class="ttname"><a href="a02677.html">OpenMesh::Decimater::ModNormalDeviationT</a></div><div class="ttdoc">Use Normal deviation to control decimation. </div><div class="ttdef"><b>Definition:</b> ModNormalDeviationT.hh:88</div></div>
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